diff options
| -rw-r--r-- | youtube_dl/extractor/lynda.py | 86 |
1 files changed, 71 insertions, 15 deletions
diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py index 19a4b10d5..6deed27d7 100644 --- a/youtube_dl/extractor/lynda.py +++ b/youtube_dl/extractor/lynda.py @@ -5,13 +5,24 @@ import json from .subtitles import SubtitlesInfoExtractor from .common import InfoExtractor -from ..utils import ExtractorError +from ..utils import ( + compat_urllib_parse, + compat_urllib_request, + ExtractorError +) class LyndaIE(SubtitlesInfoExtractor): IE_NAME = 'lynda' IE_DESC = 'lynda.com videos' _VALID_URL = r'https?://www\.lynda\.com/[^/]+/[^/]+/\d+/(\d+)-\d\.html' + _LOGIN_URL = 'https://www.lynda.com/login/login.aspx' + _NETRC_MACHINE = 'lynda' + + _SUCCESSFUL_LOGIN_REGEX = r'<a href="https://www.lynda.com/home/userAccount/ChangeContactInfo.aspx" data-qa="eyebrow_account_menu">My account' + _TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]' + + ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.' _TEST = { 'url': 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html', @@ -22,7 +33,10 @@ class LyndaIE(SubtitlesInfoExtractor): 'duration': 68 } } - + + def _real_initialize(self): + self._login() + def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) video_id = mobj.group(1) @@ -31,11 +45,11 @@ class LyndaIE(SubtitlesInfoExtractor): video_id, 'Downloading video JSON') video_json = json.loads(page) - if 'Status' in video_json and video_json['Status'] == 'NotFound': - raise ExtractorError('Video %s does not exist' % video_id, expected=True) + if 'Status' in video_json: + raise ExtractorError('lynda returned error: %s' % video_json['Message'], expected=True) if video_json['HasAccess'] is False: - raise ExtractorError('Video %s is only available for members' % video_id, expected=True) + raise ExtractorError('Video %s is only available for members. ' % video_id + self.ACCOUNT_CREDENTIALS_HINT, expected=True) video_id = video_json['ID'] duration = video_json['DurationInSeconds'] @@ -50,13 +64,13 @@ class LyndaIE(SubtitlesInfoExtractor): } for fmt in video_json['Formats']] self._sort_formats(formats) - + if self._downloader.params.get('listsubtitles', False): self._list_available_subtitles(video_id, page) return - + subtitles = self._fix_subtitles(self.extract_subtitles(video_id, page)) - + return { 'id': video_id, 'title': title, @@ -64,8 +78,48 @@ class LyndaIE(SubtitlesInfoExtractor): 'subtitles': subtitles, 'formats': formats } - - _TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]' + + def _login(self): + (username, password) = self._get_login_info() + if username is None: + return + + login_form = { + 'username': username, + 'password': password, + 'remember': 'false', + 'stayPut': 'false' + } + request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(login_form)) + login_page = self._download_webpage(request, None, note='Logging in as %s' % username) + + # Not (yet) logged in + m = re.search(r'loginResultJson = \'(?P<json>[^\']+)\';', login_page) + if m is not None: + response = m.group('json') + response_json = json.loads(response) + state = response_json['state'] + + if state == 'notlogged': + raise ExtractorError('Unable to login, incorrect username and/or password', expected=True) + + # This is when we get popup: + # > You're already logged in to lynda.com on two devices. + # > If you log in here, we'll log you out of another device. + # So, we need to confirm this. + if state == 'conflicted': + confirm_form = { + 'username': '', + 'password': '', + 'resolve': 'true', + 'remember': 'false', + 'stayPut': 'false', + } + request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(confirm_form)) + login_page = self._download_webpage(request, None, note='Confirming log in and log out from another device') + + if re.search(self._SUCCESSFUL_LOGIN_REGEX, login_page) is None: + raise ExtractorError('Unable to log in') def _fix_subtitles(self, subtitles): if subtitles is None: @@ -93,7 +147,7 @@ class LyndaIE(SubtitlesInfoExtractor): if srt: fixed_subtitles[k] = srt return fixed_subtitles - + def _get_available_subtitles(self, video_id, webpage): url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id sub = self._download_webpage(url, None, note=False) @@ -113,7 +167,7 @@ class LyndaCourseIE(InfoExtractor): mobj = re.match(self._VALID_URL, url) course_path = mobj.group('coursepath') course_id = mobj.group('courseid') - + page = self._download_webpage('http://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id, course_id, 'Downloading course JSON') course_json = json.loads(page) @@ -123,16 +177,18 @@ class LyndaCourseIE(InfoExtractor): unaccessible_videos = 0 videos = [] + (username, _) = self._get_login_info() for chapter in course_json['Chapters']: for video in chapter['Videos']: - if video['HasAccess'] is not True: + if username is None and video['HasAccess'] is False: unaccessible_videos += 1 continue videos.append(video['ID']) if unaccessible_videos > 0: - self._downloader.report_warning('%s videos are only available for members and will not be downloaded' % unaccessible_videos) + self._downloader.report_warning('%s videos are only available for members and will not be downloaded. ' + % unaccessible_videos + LyndaIE.ACCOUNT_CREDENTIALS_HINT) entries = [ self.url_result('http://www.lynda.com/%s/%s-4.html' % @@ -142,4 +198,4 @@ class LyndaCourseIE(InfoExtractor): course_title = course_json['Title'] - return self.playlist_result(entries, course_id, course_title) + return self.playlist_result(entries, course_id, course_title)
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